Prove that R* R* is not isomorphic to C*. (Compare this
Chapter 8, Problem 37E(choose chapter or problem)
Prove that R* ? R* is not isomorphic to C*. (Compare this with Exercise 15.)Reference:Prove that the group of complex numbers under addition is isomorphic to R ? R.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer